Quote:
Originally Posted by UsAll
In terms of how the laws of physics impacts on such very tall, very slender buildings:
Isn't it the case that, when you build buildings that are so very very tall and yet very very slender (like these pencil-like buildings mentioned in this thread), such buildings much more prone to wind shear and hence swaying in the wind? And isn't such a building more prone to damage or catastrophe in case any degree of earthquake beyond a modicum occurs or in case of sinkholes developing or less able to resist the full impact of hurricanes or tornadoes? In summary, is it really not too wise to build such a very very tall + very very slender building like this?
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Actually tall buildings are designed to sway, which transfers energy, so that the building itself doesn't bear the full force. They are safer to be in during earthquakes/hurricanes than the shorter buildings.
Here is a mass dumper (pendulum) for Taipei 101:
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